About Lindaspio polybranchiata

Lindaspio polybranchiata is a species of polychaete worm in the family Spionidae. It is known for its unique multiple branchial filaments, which aid in respiration and feeding. This species is typically found in deep-sea environments, often inhabiting soft sediments where it constructs burrows. Like other spionids, it uses its specialized palps to collect organic particles from the surrounding water and sediment, serving as a deposit feeder. Its adaptations to low-oxygen environments and its role in benthic ecosystems make it an important species for studying deep-sea biodiversity and ecological processes.

Classification

Animalia (Kingdom); Annelida (Phylum); Polychaeta (Class); Sedentaria (Subclass); Canalipalpata (Infraclass); Spionida (Order); Spioniformia (Suborder); Spionidae (Family); Lindaspio (Genus); Lindaspio polybranchiata (Species)

Original Name

Lindaspio polybranchiata Sui, Dong, Wu & Li, 2023

Key Reference Paper

1. Sui J, Dong D, Wu X, et al.  A new species of the genus Lindaspio Blake & Maciolek, 1992 (Annelida, Spionidae) from a cold seep near Hainan Island, China[J]. ZooKeys, 2023, 1153: 105. (Sui et al., 2023)

Description

Total length 55 mm, maximum width 4 mm, including chaetae. More than 350 crowded chaetigers. Color pale in alcohol. Prostomium incised, developed into two frontal lobes or weak horns; caruncle present or absent; occipital tentacle absent. Peristomial wings absent. Notopodia of chaetigers 2–4 with fascicles of heavy spines. Anterior neuropodial spines present. Dorsal branchiae starting from chaetiger 2; ventral branchiae starting from an anterior segment, branchiae closely associated with parapodial lamellae, continuing to posterior end. Chaetiger 1 reduced, with notopodia reduced to single lamellae lacking notochaetae. Following notopodia and neuropodia with capillaries and hooded hooks. Pygidium simple, conical, lacking cirri.

Etymology

The species is so named because it has more neuropodial branchiae than the congeners.

Distribution

Lingshui cold seep cruise, Faxian Dive 252, 1758 m, 17°37'N, 111°03'E, coll. crew of R/V Kexue


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Lindaspio polybranchiataAnnelida-Cold seep1,700Lingshui Cold Seep3032291

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completeness (%)Scaffold/Contig N50 (kb)GC content (%)Repeat Rate (%)Gene Number
-1.66GbContig2025--PRJNA118820790.10 ---27,746

References
TitleJournalPubmed ID
Degenerated vision, altered lipid metabolism, and expanded chemoreceptor repertoires enable Lindaspio polybranchiata to thrive in deep-sea cold seepsBMC Biology39806408

Results of comparison between Lindaspio polybranchiata and its nearshore relatives from the paper (Yan et al., 2025)

<< First 2 3 4 5 6 7 8 9 10 11 Forward> Last>>        53 pages in total

Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0050679positive regulation of epithelial cell proliferationGOBiological Process22expanded7.09E-082.29E-06
GO:0007267cell-cell signalingGOBiological Process70expanded7.14E-082.29E-06
GO:0006837serotonin transportGOBiological Process10expanded8.04E-082.55E-06
GO:0016765transferase activity, transferring alkyl or aryl (other than methyl) groupsGOMolecular Function15expanded8.56E-081.01E-06
GO:0097194execution phase of apoptosisGOBiological Process16expanded8.77E-082.66E-06
GO:0016559peroxisome fissionGOBiological Process7expanded8.84E-082.66E-06
GO:0032000positive regulation of fatty acid beta-oxidationGOBiological Process7expanded8.84E-082.66E-06
GO:0042810pheromone metabolic processGOBiological Process7expanded8.84E-082.66E-06
GO:0042811pheromone biosynthetic processGOBiological Process7expanded8.84E-082.66E-06
GO:0051568histone H3-K4 methylationGOBiological Process13expanded9.12E-082.68E-06
GO:0061180mammary gland epithelium developmentGOBiological Process13expanded9.12E-082.68E-06
GO:0007187G-protein coupled receptor signaling pathway, coupled to cyclic nucleotide second messengerGOBiological Process19expanded9.17E-082.68E-06
GO:0043627response to estrogenGOBiological Process26expanded9.28E-082.69E-06
GO:0009235cobalamin metabolic processGOBiological Process10expanded1.12E-073.21E-06
GO:0033540fatty acid beta-oxidation using acyl-CoA oxidaseGOBiological Process8expanded1.14E-073.22E-06
GO:0033599regulation of mammary gland epithelial cell proliferationGOBiological Process8expanded1.14E-073.22E-06
GO:0065004protein-DNA complex assemblyGOBiological Process21expanded1.21E-073.37E-06
GO:0004111creatine kinase activityGOMolecular Function5expanded1.22E-071.40E-06
GO:0032993protein-DNA complexGOCellular Component21expanded1.25E-073.06E-06
GO:2000242negative regulation of reproductive processGOBiological Process15expanded1.30E-073.58E-06
TOP